WO2012159345A1

WO2012159345A1 - Antenna system and antenna reconfiguration method

Info

Publication number: WO2012159345A1
Application number: PCT/CN2011/077606
Authority: WO
Inventors: 艾鸣; 邓东云; 王大勇; 李建平
Original assignee: 华为技术有限公司
Priority date: 2011-07-26
Filing date: 2011-07-26
Publication date: 2012-11-29
Also published as: CN103004020B; CN103004020A

Abstract

Provided are an antenna system and an antenna reconfiguration method, relating to the field of mobile communications. The system comprises: an antenna, an antenna feeder network and at least two signal sources. The antenna feeder network comprises a first port for transmitting signals with the signal sources and a second port for transmitting signals with the antenna. The antenna system also comprises: a switch network. By means of the present invention, in the case of reduced capacity of a mobile communication base station, when two or more signal sources of the antenna system automatically shut off and the remaining devices of the system are working, the switch network is used to adjust the phase so that the antenna array retains equal coverage and service and, where there are a large number of users, network capacity is increased by way of the sector reconfiguration technology, and CAPEX expenditure is even more equal and efficient, avoiding waste of resources and ensuring coverage and quality of service in times of low power consumption.

Description

Antenna system and antenna reconstruction method

The present invention relates to the field of mobile communications, and in particular, to an antenna system and an antenna reconstruction method. Background technique

Mobile communication base stations usually use a three-sector cellular configuration. In the case of limited spectrum resources, an increased sector (e.g., six-sector) cellular configuration is typically used to increase system capacity. The configuration has a capacity imbalance in most application scenarios and in time. Due to the large amount of traffic and data traffic during the day, a six-sector cellular configuration is used at all times, and six devices can simultaneously operate. Meet the large capacity needs of the day. However, due to the drastic reduction in the number of users at night, the simultaneous opening of six devices will waste a lot of resources. If a part of the equipment can be turned off at night, this will greatly reduce the operator's OPEX (Operating Expense). However, when some devices are turned off, the same coverage and quality of service as when all the devices work together cannot be guaranteed. Summary of the invention

In order to ensure the same coverage and quality of service of the device while saving resources, an embodiment of the present invention provides an antenna system and an antenna reconstruction method. The technical solution is as follows:

An antenna system, the antenna system comprising: an antenna, an antenna feed network, and at least two signal sources, the antenna feed network including a first port for signal transmission with the signal source and a second port for signal transmission between the antennas, the antenna system further includes: a switch network, the switch network is connected to the first port or the second port of the antenna feed network, according to the signal source Working state to reconstruct a sector of the antenna system, so that the antenna system can achieve free switching between two states: multi-beam coverage and full-area beam coverage based on the same cellular topology, wherein the full-area beam The coverage includes some or all of the multi-beam coverage described.

An antenna system, the antenna system includes: an antenna, an antenna feeding network, and at least two signal sources, wherein the antenna, the antenna feeding network, and at least two signal sources are sequentially connected to form a signal transmission link, and the antenna The system further includes: a switch network, the switch network is connected to the signal transmission link, and the switch network includes at least two working states, wherein, in the first working state, the switch network will be the at least two Transmitting, by the antenna feed network, the antenna to form the multi-beam coverage, the multi-beam coverage comprising beam coverage formed by each of the at least two signal sources In the second working state, the switch network will One of the at least two signal sources is in communication with the antenna through the antenna feed network to cause the antenna system to form a full-area beam coverage that overlaps the multi-beam coverage area, wherein The full area beam coverage includes part or all of the beam coverage formed by each of the at least two signal sources in the first operational state.

An antenna system, the antenna system includes: an antenna, an antenna feeding network, and at least two signal sources, wherein the antenna feeding network includes a signal channel for performing signal transmission, and the antenna system further includes: a switch network The switch network is electrically connected to the antenna, the antenna feed network, and the at least two signal sources, and the switch network is configured to: when any one of the at least two signal sources stops working, The phase delay relationship of each signal channel in the antenna feed network adjusts the phase delay of each signal channel, so that the antenna forms a full-area coverage beam on the same cellular topology, wherein the full-area coverage beam simultaneously And covering a part or all of a region covered by the beam formed by each of the at least two signal sources before the operation of the at least two signal sources.

An antenna reconstruction method, the antenna system includes: an antenna, an antenna feed network, at least two signal sources, and a switch network, wherein the switch network is electrically connected to the antenna, the antenna feed network, and at least two signal sources The antenna feed network includes a signal channel for performing signal transmission, and the method includes: when any one of the at least two signal sources stops working, the switch network according to the antenna feed The phase delay relationship of each signal channel in the electrical network adjusts the phase delay of each signal channel, so that the antenna forms a full-area coverage beam on the same cellular topology, wherein the full-area coverage beam covers the same area at the same time Part or all of the area covered by the beam formed by the at least two signal sources before the at least one signal source is stopped.

The beneficial effects of the technical solutions provided by the embodiments of the present invention are:

In the case that the capacity of the mobile communication base station decreases, two or more signal sources of the antenna system are automatically turned off, and when the rest of the system works, the phase is adjusted by the switch network, so that the antenna array maintains the same coverage and service, and the user scale is relatively large. At a time, the network capacity is improved by the sector reconstruction technology, and the CAPEX (Capital Expenditure) expenditure is more balanced and effective, avoiding waste of resources and ensuring coverage and quality of service in the case of low energy consumption. DRAWINGS

Figure la is a schematic structural diagram of an antenna system according to an embodiment of the present invention;

FIG. 1b is a schematic structural diagram of an antenna system according to an embodiment of the present invention;

FIG. 1c is another schematic structural diagram of an antenna system according to an embodiment of the present invention;

2a is a schematic diagram of a preferred structure of an antenna according to an embodiment of the present invention; 2b is a schematic structural diagram of an antenna feed network according to an embodiment of the present invention;

2c is a schematic diagram of a preferred structure of an antenna feed network;

2d is a schematic structural diagram of a switch network according to an embodiment of the present invention;

2e is a schematic structural diagram of a conventional three-sector antenna system according to an embodiment of the present invention;

Figure 2f is a beam coverage diagram of an example provided by an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a split six-sector antenna system according to an embodiment of the present invention; FIG.

FIG. 3b is a beam coverage diagram of an example provided by an embodiment of the present invention;

4a is a schematic structural diagram of a conventional three-sector antenna system according to an embodiment of the present invention;

4b is a schematic structural diagram of a switch network according to an embodiment of the present invention;

4c is a beam coverage diagram of an example provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a split six-sector antenna system according to an embodiment of the present invention; FIG.

6 is a schematic structural diagram of an antenna system according to an embodiment of the present invention;

7 is a schematic structural diagram of an antenna system according to an embodiment of the present invention;

FIG. 8 is a flowchart of an antenna reconstruction method based on the foregoing antenna system according to an embodiment of the present invention. detailed description

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

FIG. 1A is a schematic structural diagram of an antenna system according to an embodiment of the present invention. The antenna system includes: an antenna 101, an antenna feed network 102, and at least two signal sources 103. The antenna feed network 102 includes the signal source. a first port A for signal transmission between 103 and a second port B for signal transmission with the antenna, the antenna system further comprising: a switch network 104, the switch network 104 being connected to the antenna feed network 102 The first port A or the second port B is configured to reconstruct a sector of the antenna system according to the working state of the signal source 103, so that the antenna system can implement multi-beam coverage and the whole area based on the same cellular topology. The beam covers free switching between two states, wherein the full-area beam coverage includes part or all of the multi-beam coverage.

When the at least two signal sources 103 are all working, the switch network 104 forms a multi-beam coverage of the antenna system, and when a part of the at least two signal sources 103 stops working, the switch network makes The antenna system forms a full area beam coverage. The full-area beam coverage refers to covering part or all of the beam coverage of each of the signal sources before the partial signal source stops working.

Specifically, the antenna system has a connection manner as shown in FIG. 1b and FIG. 1c. Referring to FIG. 1b, the antenna 101 is connected to the antenna feed network 102 through the second port B, and one end port C of the switch network 104 passes through the first port A and Antenna feeder The network 102 is connected, and the other end port D is connected to at least two signal sources 103. Referring to FIG. 1c, the antenna 101 is connected to the switch network 104 through the port D, and the other end port C of the switch network 104 is connected to the antenna feed network 102 through the second port B. The antenna feed network 102 passes through the first port A and at least two. The signal source 103 is connected.

Based on Figure lb, the switch network 104 is coupled between the antenna feed network 102 and at least two signal sources 103. When the base station is in high capacity, the at least signal source 103 works normally, the antenna forms two split beams, and each of the signal sources 103 excites one beam to form multi-beam coverage. When any one of the at least two signal sources 103 stops operating, only one signal source 103 excites the beam, and the switch network 104 adjusts the signal source according to the phase delay relationship of each channel in the current antenna feed network. The phase of the signal, thereby adjusting the phase of each of the channels in the antenna feed network to a predetermined phase such that the antenna 101 forms part or all of the multi-beam coverage before the one of the signal sources stops operating.

Based on the diagram lc, in the present embodiment, the switch network 104 is connected between the antenna feed network 102 and the antenna 101. When any one of the at least two signal sources stops operating, the switch network 104 adjusts the phase of each channel in the antenna feed network to the phase delay relationship of each channel in the current antenna feed network to The phase is preset such that the antenna 101 forms part or all of the multi-beam coverage before the one of the signal sources stops operating.

The preset phase is set by the technician according to various parameters of the system, etc., and is not specifically limited in the embodiment of the present invention.

Preferably, the switch network comprises a phase shift switch for phase adjustment or phase compensation. The phase of the output of the feed network to the antenna (including voltage amplitudes in some embodiments) is varied by the switching network to achieve beam reconfiguration (or sector reconstruction).

Further, the antenna system further includes control means for controlling an operating state of the switch network to implement the reconstructing a sector of the antenna system according to an operating state of the signal source. Specifically, the control device controls the working state of the switch network according to the working state of the signal source to reconstruct a sector of the antenna system, so that when any one or more of the plurality of signal sources stop working, the antenna system forms and Full-area beam coverage with overlapping multiple beam coverage areas. The control device is a manual control device or an ESC control device.

Adding a switch network in the antenna system, the switch network is capable of reconstructing a sector of the antenna system according to the working state of the signal source to enable the antenna system to have multiple beam coverage or full area beam coverage with overlapping coverage areas. Free switching between states, avoiding waste of resources, ensuring coverage and quality of service in low-energy situations.

Further, an antenna system based on FIG. 1b is taken as an example for description:

Those skilled in the art can know that the structure of each component of the antenna system can be as follows:

(1) Referring to FIG. 2a, FIG. 2a is a schematic diagram of a preferred structure of an antenna according to an embodiment of the present invention. Antenna 101 It may be composed of a plurality of antenna arrays capable of generating independent beams. Preferably, the antenna 101 is composed of two antenna arrays capable of generating independent beams.

(2) Referring to FIG. 2b, FIG. 2b is a schematic diagram of a preferred structure of an antenna feed network according to an embodiment of the present invention.

The antenna feed network 102 is comprised of at least two antenna feed networks 102a, see Figure 2c, which is a preferred block diagram of an antenna feed network. A typical antenna feed network 102a consists of two unequal splitters, two 90° bridges, and two fixed phase shift elements that form the amplitude and phase distribution of the input and output ports. Table 1 is an input/output signal voltmeter of the antenna feed network 102a. In the present embodiment, a/b = 0.4 in Fig. 2c. Table 1

(3) Referring to FIG. 2d, FIG. 2d is a schematic diagram of a preferred structure of a switch network according to an embodiment of the present invention. The switch network in this embodiment is a phase compensation control switch, and the following Table 2 is a relative phase table between the output ports corresponding to the phase compensation control switch state.

Table 2

2e is a schematic structural diagram of a conventional three-sector antenna system according to an embodiment of the present invention. Referring to FIG. 2e, in a conventional three sector, the antenna system includes: an antenna 101, an antenna feed network 102, a signal source 103, and a switch network 104, wherein the antenna 101 is a split antenna, and the signal source 103 is a BTS or an RRU. For the base station device, the switch network 104 is a phase compensation state control switch. Two polarization transceiver channels 103a and 103b of the signal source 103, wherein 103a is connected to one polarization channel of the antenna 1, and 103b is connected to another polarization channel, due to the connection relationship and work of the two polarization channels The energy modules are identical, so the signal flow direction is illustrated below by the left polarization channel in Figure 2d. During normal three-sector operation, the switch network 104 controls the phase compensation state to -15/+75/-90/0 degrees manually or remotely through the control device of port 6, and the signal input 211 from 103a passes through the antenna feed network 102. After that, the signals are output from 201, 202, 203, 204 into the ports 401, 402, 403, and 404 of the switch network 104, and the phase of each channel is compensated and output to the corresponding antenna port. See the output amplitude phase of Table 4, the antenna. The horizontal plane pattern shown in Fig. 2f can be obtained, wherein Table 4 is a phase output table of a conventional three-sector phase-controlled switch. Table 4

FIG. 3 is a schematic structural diagram of a split six-sector antenna system according to an embodiment of the present invention. Referring to FIG. 3a, in a split six sector, the antenna system includes: an antenna 101, an antenna feed network 102, a signal source 103, and a switch network 104, wherein the antenna 101 is a split antenna, and the signal source 103 is a BTS or For the base station equipment such as RRU, the switch network 104 is a phase compensation state control switch, which is completely consistent with the internal composition and connection relationship of the conventional three-sector operation. The two polarization transceiving channels of signal source 1 (such as BTS or RRU base station equipment) are 103a and 103b, wherein 103a is connected to one polarization channel of antenna 101, 103b is connected to another polarization channel, and signal source 2 (such as BTS or The two polarization transceiver channels of the RRU and other base station devices are 103c and 103d, wherein 103c is connected to one polarization channel of the antenna 101, and 103d is connected to another polarization channel, since the connection relationship between the two polarization channels is identical to the function module. Therefore, the signal flow direction is illustrated below by the left polarization channel in Figure 3a. When the six-segment operation is split, the switch network 104 controls the phase compensation state to 0/0/0/0 degrees through the control device of the port 6 manually or remotely, and the signal input 211 from the 103a passes through the antenna feed network 102. The signals are output from 201, 202, 203, 204 into the ports 401, 402, 403, and 404 of the switch network 104, and the relative phase compensation between each channel is 0 degrees, and output to the corresponding antenna port. See the output of the serial number 2 of Table 1. Amplitude and phase, the antenna can obtain one of the horizontal plane patterns shown in FIG. 3b. After the signal input 212 from 103b passes through the antenna feed network 102, the signal is output from 201, 202, 203, 204 into the switch network 104. 402, 403, 404 ports, the relative phase compensation between each channel is 0 degrees, output to the corresponding antenna port, see the output amplitude of the serial number 2 in Table 1, the antenna can get the horizontal plane pattern shown in Figure 3b. Beam. Thus, signal sources 1 and 2 pass through a polarized antenna feed network 102, forming a pair of two independent channels (211, 212), respectively. Beam. Further, the conventional three-sector work based on FIG. 1c is taken as an example for explanation:

Referring to FIG. 4a, the antenna system includes an antenna 101, an antenna feed network 102, a signal source 103, and a switch network 104. The antenna 101 is a split antenna, and the signal source 103 is a base station device such as a BTS or an RRU. 104 is the phase shift control switch. Two polarization transceiver channels 103a and 103b of the signal source 103, wherein 103a is connected to one polarization channel of the antenna 1, and 103b is connected to another polarization channel. Since the connection relationship between the two polarization channels and the function module are identical, the following The signal flow direction is illustrated by the left polarization channel in Figure 4a. During normal three-sector operation, the switching network 104 is controlled by the control device of port 6 or the remote program controlled 311 (see Fig. 4b) has a phase state of +90 degrees. After the signal input 301 from 103a passes through the switch network 104, the signal is from 305, 306 output into the port 211, 212 of the antenna feed network 102, through the signal amplitude and phase synthesis of the antenna feed network 102 output to the corresponding antenna port, see the output amplitude of the serial number of Table 1, the antenna can be obtained Figure 4c The horizontal pattern shown.

Referring to FIG. 5, in a split six sector, the antenna system includes: an antenna 101, an antenna feed network 102, a signal source 103, and a switch network 104, wherein the antenna 101 is a split antenna, and the signal source 103 is a BTS or For the base station equipment such as the RRU, the switch network 104 is a phase shift control switch, which is completely consistent with the internal composition and connection relationship of the conventional three-sector operation. The two polarization transceiver channels of signal source 1 (such as BTS or RRU base station equipment) are 103a and 103b, wherein 103a is connected to one polarization channel of antenna 101, 103b is connected to another polarization channel, and signal source 2 (such as BTS or The two polarization transceiver channels of the RRU and other base station devices are 103c and 103d, wherein 103c is connected to one polarization channel of the antenna 101, and 103d is connected to another polarization channel, since the connection relationship between the two polarization channels is identical to the function module. Therefore, the signal flow direction will be described below with the left polarization channel in Fig. 3a. The 311 phase state of the switch network 104 controlled by the control device of the port 6 by the manual or remote program is 180 degrees when the split six sector is working. For the signal source 1, after the signal input 301 from the 103a passes through the switch network 104, the signal is from 305. The output enters the port 211 of the antenna feeding network 102, and is synthesized and outputted to the corresponding antenna port through the signal amplitude and phase of the antenna feeding network 102. Referring to the output amplitude of the serial number 1 of Table 1, the antenna can obtain the horizontal direction shown in FIG. 3b. One of the beams; for signal source 2, after signal input 301 from 103b passes through switch network 104, the signal is output from 306 to port 212 of antenna feed network 102, and the signal amplitude and phase are combined through antenna feed network 102. To the corresponding antenna port, see the output amplitude of the serial number 2 in Table 1, the antenna can obtain the other beam in the horizontal plane pattern shown in Figure 3b; thus, the signal sources 1 and 2 pass through a polarized antenna feed network 102. , forming two beams of two independent channels (301, 302).

FIG. 6 is a schematic structural diagram of an antenna system according to an embodiment of the present invention. The antenna system includes: an antenna 101, an antenna feed network 102, and at least two signal sources 103, the antenna 101, an antenna feed network 102, and at least The two signal sources 103 are sequentially connected to form a signal transmission link, and the antenna system further includes: a switch network 104, The switch network 104 is connected to the signal transmission link, and the switch network 104 includes at least two operating states, wherein the switch network 104 passes the at least two signal sources 103 through the first operating state. The antenna feed network 102 is in communication with the antenna 101 to form the antenna system to form multi-beam coverage; the multi-beam coverage includes beam coverage formed by each of the at least two signal sources; The switch network 104 communicates one of the at least two signal sources 103 with the antenna 101 through the antenna feed network 102 in a second operating state to form the antenna system with the multiple beam. Full-area beam coverage with overlapping coverage areas. The full-area beam coverage includes part or all of the beam coverage formed by each of the at least two signal sources in the first operating state.

Wherein, the switch network 104 can be located at two locations on the signal transmission link.

The first location is that the switch network 104 is coupled between the antenna feed network 102 and the at least two signal sources 103. When the switch network 104 is in the first position, in a first mode of operation, the switch network 104 communicates the at least two signal sources 103 with the antenna 101 through the antenna feed network 102 to cause the The antenna system forms a multi-beam coverage; in the second operating state, assuming that one signal source is off, the switch network 104 adjusts the signal phase of the other signal source to a preset phase, and the other signal source and the antenna feed network 102 is in communication with the antenna 101 to cause the antenna system to form a full-area beam coverage that overlaps the multi-beam coverage area in the first operational state.

The second location is that the switch network 104 is coupled between the antenna feed network 102 and the antenna 101. When the switch network 104 is in the first position, in a first mode of operation, the switch network 104 communicates the at least two signal sources 103a and 103b with the antenna 101 through the antenna feed network 102 to enable The antenna system forms a multi-beam coverage; in the second operating state, assuming that a signal source is turned off, the switch network 104 adjusts the signal phase of each channel of the antenna feed network 102 to a preset phase, and the other signal source is The antenna feeding network 102 is in communication with the antenna 101, so that the antenna system forms a full-area beam overlapping with the multi-beam coverage area in the first working state, the antenna system further includes a control device, and the control The device is configured to control an operating state of the switch network. The control device is a manual control device or an ESC control device.

Further, the switch network includes a phase shift switch.

Further, the antenna is composed of an antenna array capable of generating independent beams.

The antenna system provided in this embodiment works in the same manner as the antenna system shown in FIG. 1, and details are not described herein again.

FIG. 7 is a schematic structural diagram of an antenna system according to an embodiment of the present invention. The antenna system includes: an antenna 101, an antenna feed network 102, and at least two signal sources 103. The antenna feed network 102 includes A signal path for signal transmission, the antenna system further includes: a switch network 104, the switch network 104 is electrically connected to the antenna 101, the antenna feed network 102, and at least two signal sources 103, and the switch network 104 At least two When any one of the signal sources 103 stops working, the phase delay of each signal channel is adjusted according to the phase delay relationship of each signal channel in the antenna feed network 102, so that the antenna 101 is in the same cellular topology. Forming a full-area coverage beam, wherein the full-area coverage beam simultaneously covers each of the at least one signal source 103 before the stop operation of the at least two signal sources 103 Part or all of the area covered by the beam.

Further, the antenna system further includes a control device, wherein the control device is configured to control an operation of the switch network to implement the method, when any one of the at least two signal sources stops working, The phase delay relationship of each signal channel in the antenna feed network adjusts the phase delay of each signal channel such that the antenna forms a full-area coverage beam on the same cellular topology. The control device is a manual control device or an electric control device.

The switch network is coupled between the antenna feed network and the at least two signal sources.

The switch network is coupled between the antenna feed network and the antenna.

The switch network includes a phase shift switch.

The antenna consists of an antenna array capable of generating independent beams.

FIG. 8 is a flowchart of an antenna reconstruction method based on the foregoing antenna system according to an embodiment of the present disclosure, where the antenna system includes: an antenna, an antenna feed network, at least two signal sources, and a switch network, and the switch network And electrically connecting to the antenna, the antenna feeding network, and the at least two signal sources, where the antenna feeding network includes a signal channel for performing signal transmission, and the method includes:

801. When any one of the at least two signal sources stops working, the switch network adjusts a phase delay of each signal channel according to a phase delay relationship of each signal channel in the antenna feed network, so that The antenna forms a full area coverage beam on the same cellular topology.

The full-area coverage beam simultaneously covers part or all of the area covered by the beam formed by the at least two signal sources before the at least one signal source stops operating.

Wherein the switch network is connected between the antenna feed network and the at least two signal sources, or the switch network is connected between the antenna feed network and the antenna array, or the antenna The array consists of two antenna arrays that are capable of generating separate beams.

In the method provided by the embodiment, when the capacity of the mobile communication base station decreases, two or more signal sources of the antenna system are automatically turned off, and when the rest of the system works, the phase is adjusted by the switch network, so that the antenna array maintains the same coverage and Service, avoiding waste of resources and ensuring coverage and quality of service in the case of low energy consumption. The embodiment of the present invention can implement switching of the switch network by using software, and the corresponding software program can be stored in a readable storage medium, for example, a hard disk, a cache or an optical disk of the computer.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

Claim

An antenna system, the antenna system comprising: an antenna, an antenna feed network, and at least two signal sources, the antenna feed network including a first port for signal transmission with the signal source and a second port that performs signal transmission between the antennas, wherein the antenna system further includes: a switch network, where the switch network is connected to the first port or the second port of the antenna feed network, The apparatus is configured to reconstruct a sector of the antenna system according to an operating state of the signal source, so that the antenna system can implement free switching between the two states of the multi-beam coverage and the full-area beam coverage on the same cellular topology, where The full area beam coverage includes part or all of the multi-beam coverage.

2. The antenna system according to claim 1, wherein the switch network causes the antenna system to form a multi-beam coverage when the at least two signal sources are all operating, when the at least two signal sources The switch network causes the antenna system to form a full-area beam coverage when the portion in operation ceases to operate.

The antenna system according to claim 1 or 2, wherein the antenna system further comprises a control device, wherein the control device is configured to control the operation of the switch network to implement the working state according to the signal source. To reconstruct the sector of the antenna system.

The antenna system according to claim 3, wherein the control device is a manual control device or an electric control device.

The antenna system according to any one of claims 1 to 4, wherein the switch network comprises a phase shift switch.

The antenna system according to any one of claims 1 to 4, wherein the antenna is composed of an antenna array capable of generating independent beams.

An antenna system, the antenna system comprising: an antenna, an antenna feeding network, and at least two signal sources, wherein the antenna, the antenna feeding network, and at least two signal sources are sequentially connected to form a signal transmission link, The antenna system further includes: a switch network, the switch network is connected to the signal transmission link, and the switch network includes at least two working states, wherein the switch is in a first working state The network passes the at least two signal sources The antenna feed network is in communication with the antenna to form a multi-beam coverage of the antenna system, the multi-beam coverage comprising beam coverage formed by each of the at least two signal sources; In operation, the switch network communicates one of the at least two signal sources with the antenna through the antenna feed network to cause the antenna system to form a full overlap with the multi-beam coverage area. The area beam coverage, wherein the full area beam coverage includes part or all of the beam coverage formed by each of the at least two signal sources in the first operating state.

8. The antenna system according to claim 7, wherein the antenna system further comprises control means for controlling an operating state of the switch network.

The antenna system according to claim 8, wherein the control device is a manual control device or an electric control device.

The antenna system according to any one of claims 7-9, wherein the switch network comprises a phase shifting switch.

The antenna system according to any one of claims 7-9, wherein the antenna is composed of an antenna array capable of generating independent beams.

12. An antenna system, the antenna system comprising: an antenna, an antenna feed network, and at least two signal sources, wherein the antenna feed network includes a signal channel for signal transmission, wherein the antenna The system further includes a switching network electrically coupled to the antenna, the antenna feed network, and the at least two signal sources, the switch network for stopping when any one of the at least two signal sources In operation, adjusting a phase delay of each signal channel according to a phase delay relationship of each signal channel in the antenna feed network, so that the antenna forms a full-area coverage beam on the same cellular topology, where The full-area coverage beam simultaneously covers part or all of the area covered by the beam formed by each of the at least two signal sources before the operation of the at least two signal sources.

13. The antenna system according to claim 12, further comprising control means for controlling said switch network to operate to implement said one of said at least two signal sources The signal source stops working And adjusting a phase delay of each signal channel according to a phase delay relationship of each signal channel in the antenna feed network, so that the antenna forms a full-area coverage beam on the same cell topology.

The antenna system according to claim 13, wherein the control device is a manual control device or an ESC control device.

The antenna system according to any one of claims 12-14, wherein the switch network is connected between the antenna feed network and the at least two signal sources.

The antenna system according to any one of claims 12-14, wherein the switch network is connected between the antenna feed network and the antenna.

The antenna system according to any one of claims 12-14, wherein the switch network comprises a phase shift switch.

The antenna system according to any one of claims 12 to 14, wherein the antenna is composed of an antenna array capable of generating an independent beam.

19. An antenna reconstruction method according to any one of claims 1 to 18, wherein the antenna system comprises: an antenna, an antenna feed network, at least two signal sources, and a switch network, the switch The network is electrically connected to the antenna, the antenna feed network, and the at least two signal sources, where the antenna feed network includes a signal channel for signal transmission, the method comprising: when the at least two signal sources are When any one of the signal sources stops working, the switch network adjusts a phase delay of each signal channel according to a phase delay relationship of each signal channel in the antenna feed network, so that the antenna is based on the same cellular topology. Forming a full-area coverage beam, wherein the full-area coverage beam simultaneously covers part or all of the area covered by the beam formed by the at least two signal sources before the at least one signal source stops operating.